次のサンプルコードは、シートからすべての子コントロールをクリアします。
public class SpreadTextBox : TextBox, FarPoint.Win.Spread.DrawingSpace.IEmbeddedControlSupport {
private FarPoint.Win.Spread.DrawingSpace.Moving moving = Moving.None;
private FarPoint.Win.Spread.DrawingSpace.Sizing sizing = Sizing.None;
private FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy activation = FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy.DoubleClick;
public virtual FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy ActivationPolicy {
get {
return activation;
}
set {
// activation = Value
}
}
public virtual FarPoint.Win.Spread.DrawingSpace.Moving CanMove {
get {
return moving;
}
set {
moving = value;
}
}
public virtual FarPoint.Win.Spread.DrawingSpace.Sizing CanSize {
get {
return sizing;
}
set {
sizing = value;
}
}
public void ControlPaint(Graphics g, Rectangle r, FarPoint.Win.Spread.Appearance appearance, object value, bool isSelected,
bool isLocked, float zoomFactor) {
g.SetClip(r, CombineMode.Intersect);
g.FillRectangle(new SolidBrush(this.BackColor), r);
// g.FillRectangle(New SolidBrush(Me.BackColor), r.X - 120, r.Y - 120, r.Width, r.Height)
g.DrawString(this.Text, Font, new SolidBrush(this.ForeColor), r.X, r.Y);
this.TextChanged += new System.EventHandler(this.MeTextChanged);
}
public void MeTextChanged(object sender, EventArgs e) {
this.BackColor = Color.Beige;
}
}
SpreadTextBox tb = new SpreadTextBox();
tb.Name = "TB";
fpSpread1.ActiveSheet.AddControl(tb, 2, 2);
private void Button1Click(object sender, System.EventArgs e) {
fpSpread1.ActiveSheet.ClearControls();
}
Public Class SpreadTextBox
Inherits TextBox
Implements FarPoint.Win.Spread.DrawingSpace.IEmbeddedControlSupport
Private moving As FarPoint.Win.Spread.DrawingSpace.Moving = Moving.None
Private sizing As FarPoint.Win.Spread.DrawingSpace.Sizing = Sizing.None
Private activation As FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy = FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy.DoubleClick
Public Overridable Property ActivationPolicy() As FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy Implements FarPoint.Win.Spread.DrawingSpace.IEmbeddedControlSupport.ActivationPolicy
Get
Return activation
End Get
Set(ByVal Value As FarPoint.Win.Spread.DrawingSpace.ChildActivationPolicy)
' activation = Value
End Set
End Property
Public Overridable Property CanMove() As FarPoint.Win.Spread.DrawingSpace.Moving Implements FarPoint.Win.Spread.DrawingSpace.IEmbeddedControlSupport.CanMove
Get
Return moving
End Get
Set(ByVal Value As FarPoint.Win.Spread.DrawingSpace.Moving)
moving = Value
End Set
End Property
Public Overridable Property CanSize() As FarPoint.Win.Spread.DrawingSpace.Sizing Implements FarPoint.Win.Spread.DrawingSpace.IEmbeddedControlSupport.CanSize
Get
Return sizing
End Get
Set(ByVal Value As FarPoint.Win.Spread.DrawingSpace.Sizing)
sizing = Value
End Set
End Property
Public Sub ControlPaint(ByVal g As Graphics, ByVal r As Rectangle, ByVal appearance As FarPoint.Win.Spread.Appearance,
ByVal value As Object, ByVal isSelected As Boolean, ByVal isLocked As Boolean, ByVal zoomFactor As Single) Implements
FarPoint.Win.Spread.DrawingSpace.IEmbeddedControlSupport.ControlPaint
g.SetClip(r, CombineMode.Intersect)
g.FillRectangle(New SolidBrush(Me.BackColor), r)
'g.FillRectangle(New SolidBrush(Me.BackColor), r.X - 120, r.Y - 120,r.Width, r.Height)
g.DrawString(Me.Text, Font, New SolidBrush(Me.ForeColor), r.X, r.Y)
AddHandler Me.TextChanged, AddressOf MeTextChanged
End Sub
Public Sub MeTextChanged(ByVal sender As Object, ByVal e As EventArgs)
Me.BackColor = Color.Beige
End Sub
End Class
Dim tb As New SpreadTextBox()
tb.Name = "TB"
FpSpread1.ActiveSheet.AddControl(tb, 2, 2)
Private Sub Button1Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
FpSpread1.ActiveSheet.ClearControls()
End Sub