ToolStripManager.RevertMerge 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
復原兩個 ToolStrip 物件的合併。
多載
RevertMerge(String) |
復原兩個 ToolStrip 物件的合併,讓具有指定名稱的 ToolStrip 回到在其合併之前的狀態,並取消之前所有的合併作業。 |
RevertMerge(ToolStrip) |
復原兩個 ToolStrip 物件的合併,讓指定的 ToolStrip 回到在其合併之前的狀態,並取消之前所有的合併作業。 |
RevertMerge(ToolStrip, ToolStrip) |
復原兩個 ToolStrip 物件的合併,讓兩個 ToolStrip 控制項都回到合併之前的狀態,並取消之前所有的合併作業。 |
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
參數
- targetName
- String
要復原合併作業的 ToolStripItem 名稱。
傳回
如果合併的復原作業成功,則為 true
,否則為 false
。
備註
這 ToolStrip.AllowMerge 兩個 ToolStrip 物件都必須將 屬性設定 true
為 ,否則這個方法會傳 false
回 。
另請參閱
適用於
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
參數
- targetToolStrip
- ToolStrip
要復原合併作業的 ToolStripItem。
傳回
如果合併的復原作業成功,則為 true
,否則為 false
。
範例
下列程式碼範例會復原功能表項目的合併。 此範例是類別概觀中較大範例的 ToolStripManager 一部分。
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
備註
這 ToolStrip.AllowMerge 兩個 ToolStrip 物件都必須將 屬性設定 true
為 ,否則這個方法會傳 false
回 。
另請參閱
適用於
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
參數
- targetToolStrip
- ToolStrip
要復原合併作業的 ToolStripItem 名稱。
傳回
如果合併的復原作業成功,則為 true
,否則為 false
。
例外狀況
sourceToolStrip
為 null
。
備註
這 ToolStrip.AllowMerge 兩個 ToolStrip 物件都必須將 屬性設定 true
為 ,否則這個方法會傳 false
回 。