public void ClearTrackedControl()
{
if (this.trackedControl is null)
{
return;
}
NonClientControlProperties.SetIsNCMouseOver(this.trackedControl, false);
NonClientControlProperties.SetIsNCPressed(this.trackedControl, false);
this.trackedControl = null;
}
public bool PressTrackedControl(IntPtr lParam)
{
var controlUnderMouse = this.GetControlUnderMouse(lParam);
if (controlUnderMouse != this.trackedControl)
{
this.HoverTrackedControl(lParam);
}
if (this.trackedControl is null)
{
return(false);
}
NonClientControlProperties.SetIsNCPressed(this.trackedControl, true);
var nonClientControlClickStrategy = NonClientControlProperties.GetClickStrategy(this.trackedControl);
if (nonClientControlClickStrategy is NonClientControlClickStrategy.MouseEvent)
{
// Raising LBUTTONDOWN here automatically causes a LBUTTONUP to be raised by windows later correctly
PInvoke.RaiseMouseMessage(this.OwnerHandle, WM.LBUTTONDOWN, default, lParam);
public bool HoverTrackedControl(IntPtr lParam)
{
var controlUnderMouse = this.GetControlUnderMouse(lParam);
if (controlUnderMouse == this.trackedControl)
{
return(true);
}
if (this.trackedControl is not null)
{
NonClientControlProperties.SetIsNCMouseOver(this.trackedControl, false);
NonClientControlProperties.SetIsNCPressed(this.trackedControl, false);
}
this.trackedControl = controlUnderMouse;
if (this.trackedControl is not null)
{
NonClientControlProperties.SetIsNCMouseOver(this.trackedControl, true);
}
return(true);
}