kenbcb
中階會員
發表:171 回覆:129 積分:60 註冊:2003-07-15
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請問各位: 我在連續寫入時,,程式會hold請問這是那裡有錯呢?,,,若用定時方式一次加一筆,卻沒事.
for(int i=0;iTableGPS->Append();
Form1->TableGPS->FieldByName("Unit_id")->AsString = AnsiString((char*)GPSBuf.ID,Max_ID/2);
Form1->TableGPS->FieldByName("DateTime")->AsDateTime = IncHour(StrToDateTime(DAY),8);
Form1->TableGPS->FieldByName("WGS_LON")->AsFloat = StrToFloat(AnsiString(GPSBuf.WGS_LON,sizeof(GPSBuf.WGS_LON)))/100;
Form1->TableGPS->FieldByName("WGS_LAT")->AsFloat = StrToFloat(AnsiString(GPSBuf.WGS_LAT,sizeof(GPSBuf.WGS_LAT)))/100;
Form1->TableGPS->FieldByName("Heading")->AsInteger = StrToCurr(AnsiString(GPSBuf.Heading,sizeof(GPSBuf.Heading)));
Form1->TableGPS->FieldByName("Speed")->AsFloat = StrToFloat(AnsiString(GPSBuf.Speed,sizeof(GPSBuf.Speed)))*1.853;
Form1->TableGPS->FieldByName("Sat#")->AsInteger = (StrToIntDef(AnsiString(GPSBuf.Sat,sizeof(GPSBuf.Sat)),0) >= 9)?9:StrToIntDef(AnsiString(GPSBuf.Sat,sizeof(GPSBuf.Sat)),0);
Form1->TableGPS->FieldByName("IO1")->AsString = AnsiString(GPSBuf.IO1);
Form1->TableGPS->FieldByName("IO2")->AsString = AnsiString(GPSBuf.IO2);
Form1->TableGPS->FieldByName("IO3")->AsString = AnsiString(GPSBuf.IO3);
Form1->TableGPS->FieldByName("Data_type")->AsString = AnsiString(GPSBuf.Type);
ptr = ptr sizeof(Length) Length 1;
}
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allenchan
資深會員
發表:10 回覆:306 積分:283 註冊:2004-01-06
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試著在你的迴圈內加上 Application->ProcessMessages(),這樣你的 UI 才有機會回應訊息。
for(int i=0;iTableGPS->Append();
Form1->TableGPS->FieldByName("Unit_id")->AsString = AnsiString((char*)GPSBuf.ID,Max_ID/2);
Form1->TableGPS->FieldByName("DateTime")->AsDateTime = IncHour(StrToDateTime(DAY),8);
Form1->TableGPS->FieldByName("WGS_LON")->AsFloat = StrToFloat(AnsiString(GPSBuf.WGS_LON,sizeof(GPSBuf.WGS_LON)))/100;
Form1->TableGPS->FieldByName("WGS_LAT")->AsFloat = StrToFloat(AnsiString(GPSBuf.WGS_LAT,sizeof(GPSBuf.WGS_LAT)))/100;
Form1->TableGPS->FieldByName("Heading")->AsInteger = StrToCurr(AnsiString(GPSBuf.Heading,sizeof(GPSBuf.Heading)));
Form1->TableGPS->FieldByName("Speed")->AsFloat = StrToFloat(AnsiString(GPSBuf.Speed,sizeof(GPSBuf.Speed)))*1.853;
Form1->TableGPS->FieldByName("Sat#")->AsInteger = (StrToIntDef(AnsiString(GPSBuf.Sat,sizeof(GPSBuf.Sat)),0) >= 9)?9:StrToIntDef(AnsiString(GPSBuf.Sat,sizeof(GPSBuf.Sat)),0);
Form1->TableGPS->FieldByName("IO1")->AsString = AnsiString(GPSBuf.IO1);
Form1->TableGPS->FieldByName("IO2")->AsString = AnsiString(GPSBuf.IO2);
Form1->TableGPS->FieldByName("IO3")->AsString = AnsiString(GPSBuf.IO3);
Form1->TableGPS->FieldByName("Data_type")->AsString = AnsiString(GPSBuf.Type);
ptr = ptr sizeof(Length) Length 1;
Application->ProcessMessages();
}
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kenbcb
中階會員
發表:171 回覆:129 積分:60 註冊:2003-07-15
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allenchan
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發表:10 回覆:306 積分:283 註冊:2004-01-06
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您在 Main Thread 做很多筆資料的 Append,UI 難免會卡住,如果想要 UI 看不出來,您可能要多長一個 Thread,在背景做這件事。 http://delphi.ktop.com.tw/topic.php?topic_id=20135
http://delphi.ktop.com.tw/topic.php?topic_id=50765
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kenbcb
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發表:171 回覆:129 積分:60 註冊:2003-07-15
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^^" 我有了thread 也是當掉,同樣cpu使用率100%,,,,單筆用thread也是沒事; 只要一用迴圈就陣亡了
for(int i=0;iDBBuffer.empty()) return;
AnsiString DAY;
vector::iterator Ptr = Form1->DBBuffer.begin(); DAY = AnsiString(Ptr->Date 4,2) "/" AnsiString(Ptr->Date 2,2) "/" AnsiString(Ptr->Date,2) " ";
DAY = AnsiString(Ptr->Time,2) ":" AnsiString(Ptr->Time 2,2) ":" AnsiString(Ptr->Time 4,2); Form1->TableGPS->Append();
Form1->TableGPS->FieldByName("Unit_id")->AsString = AnsiString((char*)Ptr->ID,Max_ID/2);
Form1->TableGPS->FieldByName("DateTime")->AsDateTime = IncHour(StrToDateTime(DAY),8);
Form1->TableGPS->FieldByName("WGS_LON")->AsFloat = StrToFloat(AnsiString(Ptr->WGS_LON,sizeof(Ptr->WGS_LON)))/100;
Form1->TableGPS->FieldByName("WGS_LAT")->AsFloat = StrToFloat(AnsiString(Ptr->WGS_LAT,sizeof(Ptr->WGS_LAT)))/100;
Form1->TableGPS->FieldByName("Heading")->AsInteger = StrToCurr(AnsiString(Ptr->Heading,sizeof(Ptr->Heading)));
Form1->TableGPS->FieldByName("Speed")->AsFloat = StrToFloat(AnsiString(Ptr->Speed,sizeof(Ptr->Speed)))*1.853;
Form1->TableGPS->FieldByName("Sat#")->AsInteger = (StrToIntDef(AnsiString(Ptr->Sat,sizeof(Ptr->Sat)),0) >= 9)?9:StrToIntDef(AnsiString(Ptr->Sat,sizeof(Ptr->Sat)),0);
Form1->TableGPS->FieldByName("IO1")->AsString = (AnsiString)Ptr->IO1;
Form1->TableGPS->FieldByName("IO2")->AsString = (AnsiString)Ptr->IO2;
Form1->TableGPS->FieldByName("IO3")->AsString = (AnsiString)Ptr->IO3;
Form1->TableGPS->FieldByName("Data_type")->AsString = (AnsiString)Ptr->Type;
Form1->DBBuffer.erase(Ptr);
}
//---------------------------------------------------------------------------
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