/// <summary>
/// 过滤键盘消息
/// Filters out a key message before it is dispatched
/// </summary>
/// <param name="target">The Control that will receive the message</param>
/// <param name="msg">A WindowMessage that represents the message to process</param>
/// <param name="wParam">Specifies the WParam field of the message</param>
/// <param name="lParam">Specifies the LParam field of the message</param>
/// <returns>true to filter the message and prevent it from being dispatched;
/// false to allow the message to continue to the next filter or control</returns>
public override bool ProcessKeyMessage(Control target, I3WindowMessage msg, int wParam, int lParam)
{
if (msg == I3WindowMessage.WM_KEYDOWN)
{
if (((Keys)wParam) == Keys.F4)
{
if (this.TextBox.Focused || this.DropDown.ContainsFocus)
{
this.DroppedDown = !this.DroppedDown;
return(true);
}
}
}
return(false);
}
/// <summary>
/// 虚拟方法，过滤鼠标消息
/// Filters out a mouse message before it is dispatched
/// </summary>
/// <param name="target">The Control that will receive the message</param>
/// <param name="msg">A WindowMessage that represents the message to process</param>
/// <param name="wParam">Specifies the WParam field of the message</param>
/// <param name="lParam">Specifies the LParam field of the message</param>
/// <returns>true to filter the message and prevent it from being dispatched;
/// false to allow the message to continue to the next filter or control</returns>
public virtual bool ProcessMouseMessage(Control target, I3WindowMessage msg, int wParam, int lParam)
{
if (msg == I3WindowMessage.WM_LBUTTONDOWN || msg == I3WindowMessage.WM_RBUTTONDOWN ||
msg == I3WindowMessage.WM_MBUTTONDOWN || msg == I3WindowMessage.WM_XBUTTONDOWN ||
msg == I3WindowMessage.WM_NCLBUTTONDOWN || msg == I3WindowMessage.WM_NCRBUTTONDOWN ||
msg == I3WindowMessage.WM_NCMBUTTONDOWN || msg == I3WindowMessage.WM_NCXBUTTONDOWN)
{
Point cursorPos = Cursor.Position;
if (target != this.EditingTable && target != this.Control)
{
this.EditingTable.StopEditing();
}
}
return(false);
}
/// <summary>
/// 过滤鼠标消息
/// Filters out a mouse message before it is dispatched
/// </summary>
/// <param name="target">The Control that will receive the message</param>
/// <param name="msg">A WindowMessage that represents the message to process</param>
/// <param name="wParam">Specifies the WParam field of the message</param>
/// <param name="lParam">Specifies the LParam field of the message</param>
/// <returns>true to filter the message and prevent it from being dispatched;
/// false to allow the message to continue to the next filter or control</returns>
public override bool ProcessMouseMessage(Control target, I3WindowMessage msg, int wParam, int lParam)
{
if (this.DroppedDown)
{
if (msg == I3WindowMessage.WM_LBUTTONDOWN || msg == I3WindowMessage.WM_RBUTTONDOWN ||
msg == I3WindowMessage.WM_MBUTTONDOWN || msg == I3WindowMessage.WM_XBUTTONDOWN ||
msg == I3WindowMessage.WM_NCLBUTTONDOWN || msg == I3WindowMessage.WM_NCRBUTTONDOWN ||
msg == I3WindowMessage.WM_NCMBUTTONDOWN || msg == I3WindowMessage.WM_NCXBUTTONDOWN)
{
Point cursorPos = Cursor.Position;
if (!this.DropDown.Bounds.Contains(cursorPos))
{
if (target != this.EditingTable && target != this.TextBox)
{
if (this.ShouldStopEditing(target, cursorPos))
{
this.EditingTable.StopEditing();
}
}
}
}
else if (msg == I3WindowMessage.WM_MOUSEMOVE)
{
Point cursorPos = Cursor.Position;
if (this.DropDown.Bounds.Contains(cursorPos))
{
if (!this.containsMouse)
{
this.containsMouse = true;
this.EditingTable.RaiseCellMouseLeave(this.EditingCellPos);
}
}
else
{
this.containsMouse = true;
}
}
}
return(false);
}
/// <summary>
/// 虚拟方法，过滤键盘消息
/// Filters out a key message before it is dispatched
/// </summary>
/// <param name="target">The Control that will receive the message</param>
/// <param name="msg">A WindowMessage that represents the message to process</param>
/// <param name="wParam">Specifies the WParam field of the message</param>
/// <param name="lParam">Specifies the LParam field of the message</param>
/// <returns>true to filter the message and prevent it from being dispatched;
/// false to allow the message to continue to the next filter or control</returns>
public virtual bool ProcessKeyMessage(Control target, I3WindowMessage msg, int wParam, int lParam)
{
return(false);
}