?? netlist.pas
字號(hào):
unit netlist;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ImgList, StdCtrls, Buttons, ComCtrls, ExtCtrls;
type
TNetResourceArray = ^TnetResource;
TFm_netlist = class(TForm)
Panel1: TPanel;
TreeView1: TTreeView;
Panel2: TPanel;
statusbar: TStatusBar;
BitBtn1: TBitBtn;
BitBtn2: TBitBtn;
ImageList1: TImageList;
procedure FormActivate(Sender: TObject);
procedure TreeView1Click(Sender: TObject);
procedure BitBtn1Click(Sender: TObject);
procedure BitBtn2Click(Sender: TObject);
private
procedure getcomputername;
procedure getgroupname;
{ Private declarations }
public
{ Public declarations }
end;
function NetExecute(aFormClass: TFormClass): string;
var
fm_NetList: Tfm_NetList;
node: Ttreenode;
aComputerName : string;//全局變量，存儲(chǔ)選中的主機(jī)名
implementation
{$R *.dfm}
//打開窗體，并返回選定的計(jì)算機(jī)
function NetExecute(aFormClass: TFormClass): string;
begin
aComputerName := '';
with aFormClass.Create(Application) do
begin
try
showModal;
finally
free;
end;
result := aComputerName;
end;
end;
procedure TFm_netlist.FormActivate(Sender: TObject);
begin
node:=treeview1.items.add(Treeview1.topitem, '整個(gè)網(wǎng)絡(luò)');
node.imageindex:=0;
treeview1.setfocus;
end;
procedure TFm_netlist.TreeView1Click(Sender: TObject);
begin
if treeview1.Selected.Level=0 then
begin
if treeview1.Selected.Count=0 then
//添加工作組名
getgroupname();
end;
if treeview1.Selected.Level=1 then
begin
if treeview1.Selected.Count=0 then
//添加計(jì)算機(jī)名
getcomputername;
end;
if treeview1.Selected.Level=2 then
bitbtn1.Enabled:=true
else
bitbtn1.Enabled:=false;
end;
//取得計(jì)算機(jī)名
procedure Tfm_netlist.getcomputername;
var
NetResource: TNetResource;
Buf: Pointer;
Count, BufSize, Res: DWord;
Ind: Integer;
lphEnum: THandle;
Temp: TNetResourceArray;
groupname: string;
my_node: Ttreenode;
my_node_2: Ttreenode;
begin
screen.Cursor := crHourGlass;
statusbar.panels[0].text := '正在列舉組名...，請(qǐng)稍侯';
statusbar.refresh;
my_node := treeview1.Selected;
groupname := treeview1.Selected.Text;
FillChar(NetResource, SizeOf(NetResource), 0); //初始化網(wǎng)絡(luò)層次信息
NetResource.lpRemoteName := @GroupName[1]; //指定工作組名稱
NetResource.dwDisplayType := RESOURCEDISPLAYTYPE_SERVER; //類型為服務(wù)器（工作組）
NetResource.dwUsage := RESOURCEUSAGE_CONTAINER;
NetResource.dwScope := RESOURCETYPE_DISK; //列舉文件資源信息
//獲取指定工作組的網(wǎng)絡(luò)資源句柄
Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK,
RESOURCEUSAGE_CONTAINER, @NetResource, lphEnum);
if Res <> NO_ERROR then Exit; //執(zhí)行失敗
while True do //列舉指定工作組的網(wǎng)絡(luò)資源
begin
Count := $FFFFFFFF; //不限資源數(shù)目
BufSize := 8192; //緩沖區(qū)大小設(shè)置為8K
GetMem(Buf, BufSize); //申請(qǐng)內(nèi)存，用于獲取工作組信息
//獲取計(jì)算機(jī)名稱
Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize);
if Res = ERROR_NO_MORE_ITEMS then break; //資源列舉完畢
if (Res <> NO_ERROR) then Exit; //執(zhí)行失敗
Temp := TNetResourceArray(Buf);
for Ind := 0 to Count - 1 do //列舉工作組的計(jì)算機(jī)名稱
begin
//獲取工作組的計(jì)算機(jī)名稱，+2表示刪除"\\"，如\\wangfajun=>wangfajun
my_node_2 := treeview1.Items.AddChild(my_node, Temp^.lpRemoteName + 2);
my_node_2.imageindex := 2;
Inc(Temp);
end;
end;
Res := WNetCloseEnum(lphEnum); //關(guān)閉一次列舉
if Res <> NO_ERROR then exit; //執(zhí)行失敗
FreeMem(Buf);
screen.Cursor := crDefault;
statusbar.panels[0].text := '';
statusbar.refresh;
end;
//獲取組名
procedure Tfm_NetList.GetGroupName;
var
NetResource: TNetResource;
Buf: Pointer;
Count, BufSize, Res: DWORD;
lphEnum: THandle;
p: TNetResourceArray;
i, j: SmallInt;
NetworkTypeList: TList;
my_node_1: Ttreenode;
begin
statusbar.panels[0].text := '正在列舉域名...，請(qǐng)稍侯';
statusbar.refresh;
screen.Cursor := crHourGlass;
NetworkTypeList := TList.Create;
//獲取整個(gè)網(wǎng)絡(luò)中的文件資源的句柄，lphEnum為返回名柄
Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK,
RESOURCEUSAGE_CONTAINER, nil, lphEnum);
if Res <> NO_ERROR then exit; //執(zhí)行失敗
//獲取整個(gè)網(wǎng)絡(luò)中的網(wǎng)絡(luò)類型信息
Count := $FFFFFFFF; //不限資源數(shù)目
BufSize := 8192; //緩沖區(qū)大小設(shè)置為8K
GetMem(Buf, BufSize); //申請(qǐng)內(nèi)存，用于獲取工作組信息
Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize);
if (Res = ERROR_NO_MORE_ITEMS) //資源列舉完畢
or (Res <> NO_ERROR) //執(zhí)行失敗
then Exit;
P := TNetResourceArray(Buf);
for I := 0 to Count - 1 do //記錄各個(gè)網(wǎng)絡(luò)類型的信息
begin
NetworkTypeList.Add(p);
Inc(P);
end;
//WNetCloseEnum關(guān)閉一個(gè)列舉句柄
Res := WNetCloseEnum(lphEnum); //關(guān)閉一次列舉
if Res <> NO_ERROR then exit;
for J := 0 to NetworkTypeList.Count - 1 do //列出各個(gè)網(wǎng)絡(luò)類型中的所有工作組名稱
begin //列出一個(gè)網(wǎng)絡(luò)類型中的所有工作組名稱
NetResource := TNetResource(NetworkTypeList.Items[J]^); //網(wǎng)絡(luò)類型信息
//獲取某個(gè)網(wǎng)絡(luò)類型的文件資源的句柄，NetResource為網(wǎng)絡(luò)類型信息，lphEnum為返回名柄
Res := WNetOpenEnum(RESOURCE_GLOBALNET, RESOURCETYPE_DISK,
RESOURCEUSAGE_CONTAINER, @NetResource, lphEnum);
if Res <> NO_ERROR then break; //執(zhí)行失敗
while true do //列舉一個(gè)網(wǎng)絡(luò)類型的所有工作組的信息
begin
Count := $FFFFFFFF; //不限資源數(shù)目
BufSize := 8192; //緩沖區(qū)大小設(shè)置為8K
GetMem(Buf, BufSize); //申請(qǐng)內(nèi)存，用于獲取工作組信息
//獲取一個(gè)網(wǎng)絡(luò)類型的文件資源信息，
Res := WNetEnumResource(lphEnum, Count, Pointer(Buf), BufSize);
if (Res = ERROR_NO_MORE_ITEMS) //資源列舉完畢
or (Res <> NO_ERROR) //執(zhí)行失敗
then break;
P := TNetResourceArray(Buf);
for I := 0 to Count - 1 do //列舉各個(gè)工作組的信息
begin
my_node_1 := treeview1.Items.addchild(node, StrPAS(P^.lpRemoteName)); //取得一個(gè)工作組的名稱
my_node_1.imageindex := 1;
Inc(P);
end;
end;
Res := WNetCloseEnum(lphEnum); //關(guān)閉一次列舉
if Res <> NO_ERROR then break; //執(zhí)行失敗
end;
FreeMem(Buf);
NetworkTypeList.Destroy;
screen.Cursor := crDefault;
statusbar.panels[0].text := '';
statusbar.refresh;
end;
procedure TFm_netlist.BitBtn1Click(Sender: TObject);
begin
aComputerName := treeview1.Selected.Text;
close;
end;
procedure TFm_netlist.BitBtn2Click(Sender: TObject);
begin
close
end;
end.
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