方法1:
wxTextValidator validator(wxFILTER_NUMERIC);
new wxTextCtrl( this, wxID_ANY, _T(""), wxDefaultPosition, wxDefaultSize, 0, validator );
方法2:
首先,响应 wxEVT_COMMAND_TEXT_UPDATED 事件,该事件在文本框内容改变后发生。
然后编写事件处理函数如下:
/*
* WxEdit2Updated
*/
void test1Dlg::WxEdit2Updated(wxCommandEvent& event)
{
// insert your code here
//MessageBox(0,"a","a",MB_OK);
static wxString oldstr="";
double d;
if (NULL == WxEdit2)return;
if (WxEdit2->GetValue().ToDouble(&d) || 0== WxEdit2->GetValue().Length() )
{
oldstr =WxEdit2->GetValue();
}
else
{
WxEdit2->SetValue(oldstr);
WxEdit2->SetInsertionPoint(WxEdit2->GetValue().Length());
}
}
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