procedure TForm1.TreeView1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer); var Node: TTreeNode; begin with TreeView1 do begin Node := GetNodeAt(X, Y); ShowHint := (Node <> nil); if ShowHint then begin Hint
Linux Essentials for Delphi Developers There is currently no way using Delphi to target Linux. Long ago there was a thing called Kylix that worked on one version of RedHat Linux, barely, back in the 1990s. But in the Community road-map, targeting a
1. CxGrid汇总功能 ① OptionsView-Footer设置为True,显示页脚 ② CxGrid的Summary选项卡定义要汇总的列和字段名及汇总方式,Footer选项卡定义单个汇总,Default For Groups定义按组汇总.OptionsView-GroupFooters设置为gfAlwaysVisible则显示按组汇总.设置后界面如图. 2. CxGrid的样式设置 当设置了Kind时,NativeStyle必须设置为False,如果指定了Ski
Display PreferencesWarning messages (Delphi)Go Up to Delphi Compiler Directives (List) Index TypeSwitchSyntax{$WARN identifier ON | OFF | ERROR | DEFAULT}DefaultAll warnings are enabledScopeLocal RemarksThe $WARN directive gives you fine-grained cont
DELPHI下API简述 http://zero.cnbct.org/show.asp?id=144 auxGetDevCaps API 获取附属设备容量 auxGetNumDevs API 返回附属设备数量 auxGetVolume API 获取当前卷设置 auxOutMessage API 向输出设备发送消息 auxSetVolume API 设置附属设备卷 AbortDoc API 终止一项打印作业 AbortPath API 终止或取消DC中的一切路径 AbortPrinter API