DataGridView.AdjustColumnHeaderBorderStyle 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。
針對目前繪製之 DataGridView 的資料行標頭儲存格,調整 DataGridViewAdvancedBorderStyle。
public:
virtual System::Windows::Forms::DataGridViewAdvancedBorderStyle ^ AdjustColumnHeaderBorderStyle(System::Windows::Forms::DataGridViewAdvancedBorderStyle ^ dataGridViewAdvancedBorderStyleInput, System::Windows::Forms::DataGridViewAdvancedBorderStyle ^ dataGridViewAdvancedBorderStylePlaceholder, bool isFirstDisplayedColumn, bool isLastVisibleColumn);
public virtual System.Windows.Forms.DataGridViewAdvancedBorderStyle AdjustColumnHeaderBorderStyle (System.Windows.Forms.DataGridViewAdvancedBorderStyle dataGridViewAdvancedBorderStyleInput, System.Windows.Forms.DataGridViewAdvancedBorderStyle dataGridViewAdvancedBorderStylePlaceholder, bool isFirstDisplayedColumn, bool isLastVisibleColumn);
abstract member AdjustColumnHeaderBorderStyle : System.Windows.Forms.DataGridViewAdvancedBorderStyle * System.Windows.Forms.DataGridViewAdvancedBorderStyle * bool * bool -> System.Windows.Forms.DataGridViewAdvancedBorderStyle
override this.AdjustColumnHeaderBorderStyle : System.Windows.Forms.DataGridViewAdvancedBorderStyle * System.Windows.Forms.DataGridViewAdvancedBorderStyle * bool * bool -> System.Windows.Forms.DataGridViewAdvancedBorderStyle
Public Overridable Function AdjustColumnHeaderBorderStyle (dataGridViewAdvancedBorderStyleInput As DataGridViewAdvancedBorderStyle, dataGridViewAdvancedBorderStylePlaceholder As DataGridViewAdvancedBorderStyle, isFirstDisplayedColumn As Boolean, isLastVisibleColumn As Boolean) As DataGridViewAdvancedBorderStyle
參數
- dataGridViewAdvancedBorderStyleInput
- DataGridViewAdvancedBorderStyle
DataGridViewAdvancedBorderStyle,代表要修改的資料行行首框線樣式。
- dataGridViewAdvancedBorderStylePlaceholder
- DataGridViewAdvancedBorderStyle
DataGridViewAdvancedBorderStyle,可用來儲存對資料行標頭框線樣式所做的中繼變更。
- isFirstDisplayedColumn
- Boolean
true
表示目前所繪製的 DataGridViewCell 位於顯示在 DataGridView上的第一個資料行中;否則為 false
。
- isLastVisibleColumn
- Boolean
true
表示目前所繪製的 DataGridViewCell 位於 DataGridView 中 Visible 屬性設定為 true
的最後一個資料行中;否則為 false
。
傳回
DataGridViewAdvancedBorderStyle,表示目前資料行標頭的框線樣式。
範例
下列程式碼範例示範如何覆寫 AdjustColumnHeaderBorderStyle 方法來自訂資料行行首儲存格的框線。 此程式碼範例是針對 類別提供的較大範例的 DataGridViewAdvancedBorderStyle 一部分。
public override DataGridViewAdvancedBorderStyle AdjustColumnHeaderBorderStyle(
DataGridViewAdvancedBorderStyle dataGridViewAdvancedBorderStyleInput,
DataGridViewAdvancedBorderStyle dataGridViewAdvancedBorderStylePlaceHolder,
bool firstDisplayedColumn,
bool lastVisibleColumn)
{
// Customize the left border of the first column header and the
// bottom border of all the column headers. Use the input style for
// all other borders.
dataGridViewAdvancedBorderStylePlaceHolder.Left = firstDisplayedColumn ?
DataGridViewAdvancedCellBorderStyle.OutsetDouble :
DataGridViewAdvancedCellBorderStyle.None;
dataGridViewAdvancedBorderStylePlaceHolder.Bottom =
DataGridViewAdvancedCellBorderStyle.Single;
dataGridViewAdvancedBorderStylePlaceHolder.Right =
dataGridViewAdvancedBorderStyleInput.Right;
dataGridViewAdvancedBorderStylePlaceHolder.Top =
dataGridViewAdvancedBorderStyleInput.Top;
return dataGridViewAdvancedBorderStylePlaceHolder;
}
Public Overrides Function AdjustColumnHeaderBorderStyle( _
ByVal dataGridViewAdvancedBorderStyleInput As DataGridViewAdvancedBorderStyle, _
ByVal dataGridViewAdvancedBorderStylePlaceHolder As DataGridViewAdvancedBorderStyle, _
ByVal firstDisplayedColumn As Boolean, ByVal lastVisibleColumn As Boolean) _
As DataGridViewAdvancedBorderStyle
' Customize the left border of the first column header and the
' bottom border of all the column headers. Use the input style for
' all other borders.
If firstDisplayedColumn Then
dataGridViewAdvancedBorderStylePlaceHolder.Left = _
DataGridViewAdvancedCellBorderStyle.OutsetDouble
Else
dataGridViewAdvancedBorderStylePlaceHolder.Left = _
DataGridViewAdvancedCellBorderStyle.None
End If
With dataGridViewAdvancedBorderStylePlaceHolder
.Bottom = DataGridViewAdvancedCellBorderStyle.Single
.Right = dataGridViewAdvancedBorderStyleInput.Right
.Top = dataGridViewAdvancedBorderStyleInput.Top
End With
Return dataGridViewAdvancedBorderStylePlaceHolder
End Function
End Class
備註
控制項 DataGridView 會在內部呼叫 AdjustColumnHeaderBorderStyle 方法,以判斷資料行標題儲存格的框線外觀。 控制項 DataGridView 通常會使用 參數的 AdvancedColumnHeadersBorderStyle 屬性值 dataGridViewAdvancedBorderStyleInput
。
給繼承者的注意事項
如果您想要自訂資料行行首儲存格上框線的外觀,請覆寫這個方法。