PowerTools SPREAD for Windows Forms 8.0J
CheckChanged イベント


コントロールのチェック状態が変化したときに発生します。
構文
'Declaration
 
Public Event CheckChanged As EventHandler
'使用法
 
Dim instance As FpCheckBox
Dim handler As EventHandler
 
AddHandler instance.CheckChanged, handler
public event EventHandler CheckChanged
解説

チェックボックスを変更するには、CheckedプロパティまたはCheckStateプロパティを設定するか、チェックボックスをクリックします。

private void Form1_Load(object sender, System.EventArgs e)
{
     control.CheckState = CheckState.Unchecked;
     control.PictureAlignH=FarPoint.Win.HorizontalAlignment.Center;
     control.PictureAlignV = FarPoint.Win.VerticalAlignment.Center;
     control.BackgroundImage = new FarPoint.Win.Picture(Image.FromFile("d:\\mail16a.ico", true), FarPoint.Win.RenderStyle.Normal);
}
private void control_CheckChanged(object sender, System.EventArgs e)
    {
    if (control.CheckState == CheckState.Checked)
    { 
        control.BackgroundImage = new FarPoint.Win.Picture(Image.FromFile("d:\\mail16a.ico", true), FarPoint.Win.RenderStyle.Normal);
        control.PictureAlignH = FarPoint.Win.HorizontalAlignment.Center;
        control.PictureAlignV = FarPoint.Win.VerticalAlignment.Center;
        control.TextTrue = "Mail's been checked";
    }
   else if (control.CheckState == CheckState.Unchecked) 
   {
        control.BackgroundImage = new FarPoint.Win.Picture(Image.FromFile("d:\\mail16b.ico", true), FarPoint.Win.RenderStyle.Normal);
        control.PictureAlignH = FarPoint.Win.HorizontalAlignment.Center;
        control.PictureAlignV = FarPoint.Win.VerticalAlignment.Center;
        control.TextFalse = "Mail needs to be checked";
    }
    else
    {
        control.CheckState = CheckState.Indeterminate;
        control.TextIndeterminate = "No mail today";
    }
} 
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
     control.Checked = False
     control.BackgroundImage = New FarPoint.Win.Picture(Image.FromFile("d:\\mail16a.ico", True), FarPoint.Win.RenderStyle.Normal)
End Sub

Private Sub control_CheckChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles control.CheckChanged
     If control.CheckState = CheckState.Checked Then
          control.BackgroundImage = New FarPoint.Win.Picture(Image.FromFile("d:\\mail16a.ico", True), FarPoint.Win.RenderStyle.Normal)
          control.PictureAlignH = FarPoint.Win.HorizontalAlignment.Center
          control.PictureAlignV = FarPoint.Win.VerticalAlignment.Center
          control.TextTrue = "Mail's been checked"
     ElseIf control.CheckState = CheckState.Unchecked Then
          control.BackgroundImage = New FarPoint.Win.Picture(Image.FromFile("d:\\mail16b.ico", True), FarPoint.Win.RenderStyle.Normal)
          control.PictureAlignH = FarPoint.Win.HorizontalAlignment.Center
          control.PictureAlignV = FarPoint.Win.VerticalAlignment.Center
          control.TextFalse = "Mail needs to be checked"
     Else
          control.CheckState = CheckState.Indeterminate
          control.TextIndeterminate = "No mail today"
     End If
 End Sub 
参照

FpCheckBox クラス
FpCheckBox メンバ
Checked プロパティ
CheckState プロパティ

 

 


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