ToolStripManager.RevertMerge Méthode
Définition
Important
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Annule une fusion de deux objets ToolStrip.
Surcharges
RevertMerge(String) |
Annule une fusion de deux objets ToolStrip, en retournant le ToolStrip avec le nom spécifié à son état avant la fusion et en annulant toutes les opérations de fusion antérieures. |
RevertMerge(ToolStrip) |
Annule une fusion de deux objets ToolStrip, en retournant le ToolStrip spécifié à son état avant la fusion et en annulant toutes les opérations de fusion antérieures. |
RevertMerge(ToolStrip, ToolStrip) |
Annule une fusion de deux objets ToolStrip, en restaurant les deux contrôles ToolStrip à leur état avant la fusion et en annulant toutes les opérations de fusion antérieures. |
RevertMerge(String)
public:
static bool RevertMerge(System::String ^ targetName);
public static bool RevertMerge (string targetName);
static member RevertMerge : string -> bool
Public Shared Function RevertMerge (targetName As String) As Boolean
Paramètres
- targetName
- String
Le nom du ToolStripItem pour lequel annuler une opération de fusion.
Retours
true
si l'annulation de la fusion est réussie ; sinon, false
.
Remarques
La ToolStrip.AllowMerge propriété doit être définie sur true
pour les deux ToolStrip objets, sinon cette méthode retourne false
.
Voir aussi
S’applique à
RevertMerge(ToolStrip)
public:
static bool RevertMerge(System::Windows::Forms::ToolStrip ^ targetToolStrip);
public static bool RevertMerge (System.Windows.Forms.ToolStrip targetToolStrip);
static member RevertMerge : System.Windows.Forms.ToolStrip -> bool
Public Shared Function RevertMerge (targetToolStrip As ToolStrip) As Boolean
Paramètres
- targetToolStrip
- ToolStrip
ToolStripItem pour lequel annuler une opération de fusion.
Retours
true
si l'annulation de la fusion est réussie ; sinon, false
.
Exemples
L’exemple de code suivant annule la fusion des éléments de menu. Cet exemple fait partie d’un exemple plus large disponible dans la vue d’ensemble de la ToolStripManager classe.
private MergeSample CurrentSample
{
get { return currentSample; }
set
{
if (currentSample != value)
{
bool resetRequired = false;
if (currentSample == MergeSample.MatchOnly)
{
resetRequired = true;
}
currentSample = value;
// Undo previous merge, if any.
ToolStripManager.RevertMerge(cmsBase, cmsItemsToMerge);
if (resetRequired)
{
RebuildItemsToMerge();
}
switch (currentSample)
{
case MergeSample.None:
return;
case MergeSample.Append:
ScenarioText = "This sample adds items to the end of the list using MergeAction.Append.\r\n\r\nThis is the default setting for MergeAction. A typical scenario is adding menu items to the end of the menu when some part of the program is activated.";
ShowAppendSample();
break;
case MergeSample.InsertInSameLocation:
ScenarioText = "This sample adds items to the middle of the list using MergeAction.Insert.\r\n\r\nNotice here how the items are added in reverse order: four, three, two, one. This is because they all have the same merge index.\r\n\r\nA typical scenario is adding menu items to the middle or beginning of the menu when some part of the program is activated. ";
ShowInsertInSameLocationSample();
break;
case MergeSample.InsertInSameLocationPreservingOrder:
ScenarioText = "This sample is the same as InsertInSameLocation, except the items are added in normal order by increasing the MergeIndex of \"two merged items\" to be 3, \"three merged items\" to be 5, and so on.\r\n You could also add the original items backwards to the source ContextMenuStrip.";
ShowInsertInSameLocationPreservingOrderSample();
break;
case MergeSample.ReplacingItems:
ScenarioText = "This sample replaces a menu item using MergeAction.Replace. Use this for the MDI scenario where saving does something completely different.\r\n\r\nMatching is based on the Text property. If there is no text match, merging reverts to MergeIndex.";
ShowReplaceSample();
break;
case MergeSample.MatchOnly:
ScenarioText = "This sample adds only the subitems from the child to the target ContextMenuStrip.";
ShowMatchOnlySample();
break;
}
// Reapply with the new settings.
ToolStripManager.Merge(cmsItemsToMerge, cmsBase);
}
}
}
Private Property CurrentSample() As MergeSample
Get
Return currentSample1
End Get
Set
If currentSample1 <> value Then
Dim resetRequired As Boolean = False
If currentSample1 = MergeSample.MatchOnly Then
resetRequired = True
End If
currentSample1 = value
' Undo previous merge, if any.
ToolStripManager.RevertMerge(cmsBase, cmsItemsToMerge)
If resetRequired Then
RebuildItemsToMerge()
End If
Select Case currentSample1
Case MergeSample.None
Return
Case MergeSample.Append
ScenarioText = "This sample adds items to the end of the list using MergeAction.Append." + ControlChars.Cr + ControlChars.Lf + ControlChars.Cr + ControlChars.Lf + "This is the default setting for MergeAction. A typical scenario is adding menu items to the end of the menu when some part of the program is activated."
ShowAppendSample()
Case MergeSample.InsertInSameLocation
ScenarioText = "This sample adds items to the middle of the list using MergeAction.Insert." + ControlChars.Cr + ControlChars.Lf + ControlChars.Cr + ControlChars.Lf + "Notice here how the items are added in reverse order: four, three, two, one. This is because they all have the same merge index." + ControlChars.Cr + ControlChars.Lf + ControlChars.Cr + ControlChars.Lf + "A typical scenario is adding menu items to the middle or beginning of the menu when some part of the program is activated. "
ShowInsertInSameLocationSample()
Case MergeSample.InsertInSameLocationPreservingOrder
ScenarioText = "This sample is the same as InsertInSameLocation, except the items are added in normal order by increasing the MergeIndex of ""two merged items"" to be 3, ""three merged items"" to be 5, and so on." + ControlChars.Cr + ControlChars.Lf + " You could also add the original items backwards to the source ContextMenuStrip."
ShowInsertInSameLocationPreservingOrderSample()
Case MergeSample.ReplacingItems
ScenarioText = "This sample replaces a menu item using MergeAction.Replace. Use this for the MDI scenario where saving does something completely different." + ControlChars.Cr + ControlChars.Lf + ControlChars.Cr + ControlChars.Lf + "Matching is based on the Text property. If there is no text match, merging reverts to MergeIndex."
ShowReplaceSample()
Case MergeSample.MatchOnly
ScenarioText = "This sample adds only the subitems from the child to the target ContextMenuStrip."
ShowMatchOnlySample()
End Select
' Reapply with the new settings.
ToolStripManager.Merge(cmsItemsToMerge, cmsBase)
End If
End Set
End Property
Remarques
La ToolStrip.AllowMerge propriété doit être définie sur true
pour les deux ToolStrip objets, sinon cette méthode retourne false
.
Voir aussi
S’applique à
RevertMerge(ToolStrip, ToolStrip)
public:
static bool RevertMerge(System::Windows::Forms::ToolStrip ^ targetToolStrip, System::Windows::Forms::ToolStrip ^ sourceToolStrip);
public static bool RevertMerge (System.Windows.Forms.ToolStrip targetToolStrip, System.Windows.Forms.ToolStrip sourceToolStrip);
static member RevertMerge : System.Windows.Forms.ToolStrip * System.Windows.Forms.ToolStrip -> bool
Public Shared Function RevertMerge (targetToolStrip As ToolStrip, sourceToolStrip As ToolStrip) As Boolean
Paramètres
- targetToolStrip
- ToolStrip
Le nom du ToolStripItem pour lequel annuler une opération de fusion.
Retours
true
si l'annulation de la fusion est réussie ; sinon, false
.
Exceptions
Le sourceToolStrip
est null
.
Remarques
La ToolStrip.AllowMerge propriété doit être définie sur true
pour les deux ToolStrip objets, sinon cette méthode retourne false
.