/// <summary>
/// 关联到别的控件
/// </summary>
/// <param name="control"></param>
/// <param name="text"></param>
public virtual void SetToolTip(Control control, string text)
{
bool bNewControl, bValidText;
if (control == null)
{
throw new ArgumentNullException("control");
}
bNewControl = !m_controls.ContainsKey(control);
bValidText = (text != null && text.Length > 0);
if (bNewControl)
{
if (bValidText)
{
ToolTipInfo info = new ToolTipInfo(text, "", ToolTipIconType.None);
m_controls.Add(control, info);
control.HandleCreated += new EventHandler(HandleCreated);
control.HandleDestroyed += new EventHandler(HandleDestroyed);
if (control.IsHandleCreated)
{
this.HandleCreated(control, EventArgs.Empty);
}
}
}
else
{
ToolTipInfo info = (ToolTipInfo)m_controls[control];
info.TipText = text;
if (info.TipText.Length == 0 && info.TipTitle.Length == 0 && info.IconType == ToolTipIconType.None)
{
m_controls.Remove(control);
control.HandleCreated -= new EventHandler(HandleCreated);
control.HandleDestroyed -= new EventHandler(HandleDestroyed);
if (m_addedList.Contains(control))
{
DestroyRegion(control);
m_addedList.Remove(control);
}
}
}
}
public void SetIconType(Control control, ToolTipIconType type)
{
bool bNewControl;
if (control == null)
{
throw new ArgumentNullException("control");
}
bNewControl = !m_controls.ContainsKey(control);
if (bNewControl)
{
if (type != ToolTipIconType.None)
{
ToolTipInfo info = new ToolTipInfo("", "", type);
m_controls.Add(control, info);
control.HandleCreated += new EventHandler(HandleCreated);
control.HandleDestroyed += new EventHandler(HandleDestroyed);
if (control.IsHandleCreated)
{
this.HandleCreated(control, EventArgs.Empty);
}
}
}
else
{
ToolTipInfo info = (ToolTipInfo)m_controls[control];
info.IconType = type;
if (info.TipText.Length == 0 && info.TipTitle.Length == 0 && info.IconType == ToolTipIconType.None)
{
m_controls.Remove(control);
control.HandleCreated -= new EventHandler(HandleCreated);
control.HandleDestroyed -= new EventHandler(HandleDestroyed);
if (m_addedList.Contains(control))
{
DestroyRegion(control);
m_addedList.Remove(control);
}
}
}
}
private void CreateRegion(Control ctl)
{
if (!m_controls.ContainsKey(ctl))
{
return;
}
ToolTipInfo info = (ToolTipInfo)this.m_controls[ctl];
bool flag = info.TipText.Length > 0 || info.TipTitle.Length > 0 || info.IconType != ToolTipIconType.None;
if (flag && !this.m_addedList.Contains(ctl) && !base.DesignMode)
{
int num1 = (int)NativeMethods.SendMessage(new HandleRef(this, this.Handle), NativeMethods.TTM_ADDTOOL, 0, this.GetTOOLINFO(ctl));
if (num1 == 0)
{
throw new InvalidOperationException("error:" + NativeMethods.GetLastError());
}
this.m_addedList.Add(ctl);
}
}
/// <summary>
/// ��������Ŀؼ�
/// </summary>
/// <param name="control"></param>
/// <param name="text"></param>
public virtual void SetToolTip(Control control, string text)
{
bool bNewControl,bValidText;
if (control == null)
{
throw new ArgumentNullException("control");
}
bNewControl = !m_controls.ContainsKey(control);
bValidText = (text != null && text.Length > 0);
if (bNewControl)
{
if (bValidText)
{
ToolTipInfo info = new ToolTipInfo(text,"",ToolTipIconType.None);
m_controls.Add(control,info);
control.HandleCreated += new EventHandler(HandleCreated);
control.HandleDestroyed += new EventHandler(HandleDestroyed);
if (control.IsHandleCreated)
{
this.HandleCreated(control,EventArgs.Empty);
}
}
}
else
{
ToolTipInfo info = (ToolTipInfo)m_controls[control];
info.TipText = text;
if (info.TipText.Length == 0 && info.TipTitle.Length == 0 && info.IconType == ToolTipIconType.None)
{
m_controls.Remove(control);
control.HandleCreated -= new EventHandler(HandleCreated);
control.HandleDestroyed -= new EventHandler(HandleDestroyed);
if (m_addedList.Contains(control))
{
DestroyRegion(control);
m_addedList.Remove(control);
}
}
}
}
public void SetIconType(Control control,ToolTipIconType type)
{
bool bNewControl;
if (control == null)
{
throw new ArgumentNullException("control");
}
bNewControl = !m_controls.ContainsKey(control);
if (bNewControl)
{
if (type != ToolTipIconType.None)
{
ToolTipInfo info = new ToolTipInfo("","",type);
m_controls.Add(control,info);
control.HandleCreated += new EventHandler(HandleCreated);
control.HandleDestroyed += new EventHandler(HandleDestroyed);
if (control.IsHandleCreated)
{
this.HandleCreated(control,EventArgs.Empty);
}
}
}
else
{
ToolTipInfo info = (ToolTipInfo)m_controls[control];
info.IconType = type;
if (info.TipText.Length == 0 && info.TipTitle.Length == 0 && info.IconType == ToolTipIconType.None)
{
m_controls.Remove(control);
control.HandleCreated -= new EventHandler(HandleCreated);
control.HandleDestroyed -= new EventHandler(HandleDestroyed);
if (m_addedList.Contains(control))
{
DestroyRegion(control);
m_addedList.Remove(control);
}
}
}
}
